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Use quoted_table_name with arel.from() if no from values explicitly supplied. Arel seems to be spending a lot of time figuring out the FROM value otherwise.

This commit is contained in:
Pratik Naik 2010-01-21 01:36:56 +05:30
parent 798d2828dc
commit fa9f000246
1 changed files with 4 additions and 2 deletions
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6
activerecord/lib/active_record/relation/query_methods.rb
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@ -140,16 +140,18 @@ module ActiveRecord
selects = @select_values.uniq
quoted_table_name = @klass.quoted_table_name
if selects.present?
selects.each do |s|
@implicit_readonly = false
arel = arel.project(s) if s.present?
end
else
arel = arel.project(@klass.quoted_table_name + '.*')
arel = arel.project(quoted_table_name + '.*')
end
arel = arel.from(@from_value) if @from_value.present?
arel = @from_value.present? ? arel.from(@from_value) : arel.from(quoted_table_name)
case @lock_value
when TrueClass